Social Media REST API Built for AI Agents & Pipelines
Publish, schedule, and queue posts across 6 networks with a single API key. Perfect for LangChain, AutoGen, Claude, and automation bots.
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Why Creators Choose This Workflow
Single Unified Endpoint
Stop maintaining 6 separate OAuth handshakes and token refresh loops. Make one POST request and let PostNexus handle the rest.
Autonomous AI Agent Ready
Compatible with MCP (Model Context Protocol), custom LLM functions, webhooks, and headless publishing cron jobs.
Persistent Scheduling Queue
Pass future datetimes in ISO format and let our resilient Node scheduler guarantee on-time publishing.
Simple 3-Step Setup
Generate API Key
Create your secure Bearer API token from your PostNexus dashboard settings.
Send JSON Payload
Send a simple POST request with content, media_urls, and target platforms.
Automate Everything
Integrate directly into your GitHub Actions, AI agent loops, or custom CMS.
Frequently Asked Questions
Which plans include Developer API access?
Both Creator ($29/mo) and Agency ($49/mo) plans include full REST API access.
Can AI agents schedule posts in advance via API?
Yes. Simply provide a scheduled_for ISO timestamp in your API request.